Please use a writing pen to demonstrate how it works as if there's a group
of primary school children in front of you (you must involve the process of
taking it apart and putting it back?
o********l 发帖数: 12430
2
teach kids how to use a pen.
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【在 x*******6 的大作中提到】 : Please use a writing pen to demonstrate how it works as if there's a group : of primary school children in front of you (you must involve the process of : taking it apart and putting it back?
